DTC J

DTC indicator J: A Short in the Driver's Air Mix Control Motor Circuit

1. Clear the DTC.
2. Turn the ignition switch OFF, and then ON.
3. Operate the climate control system is several modes.
4. Check the DTCs.

Is DTC J or B1234 indicated ?

YES - Go to step 5.

NO - Intermittent failure.

5. Test the driver's air mix control motor.

Is the driver's air mix control motor OK ?

YES - Go to step 6.

NO - Replace the driver's air mix control motor.

6. Disconnect the driver's air mix control motor 7P connector.
7. Disconnect audio-HVAC display panel connector A(22P).




8. Check for continuity between body ground and audio-HVAC display panel connector A (22P) terminals No.1,8, 9,15 and 20 individually.

Is there continuity?

YES - Repair any short to body ground in the wire(s) between the audio-HVAC display panel and the driver's air mix control motor.

NO - Go to step 9.




9. Turn the ignition switch ON (II), and check the same terminals for voltage.

Is there any voltage?

YES - Repair any short to power in the wire(s) between the audio-HVAC display panel and the driver's air mix control motor. This short also damages the audio-HVAC display panel. Repair the short to power before replacing the audio-HVAC display panel.

NO - Substitute a known-good audio-HVAC display panel, and recheck. If the symptom/indication goes away, replace the original audio-HVAC display panel.